Air Quality Index Monitor

FIG. 1 is a bottom view of an air quality index monitor, showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left side elevation view thereof, the right side elevation view being a mirror image of the left side elevation view;

FIG. 6 is a top front perspective view thereof;

FIG. 7 is a top back perspective view thereof; and,

FIG. 8 is a bottom back perspective view therof.

The broken lines shown in the figures illustrate portions of the air quality index monitor that form no part of the claimed design.